airgel + tpu knitted light and ultra-warm “polar bear sweater”
inspired by the “big thick sweaters” of polar bears, residents of the polar regions, professor bai hao and associate professor gao weiwei of zhejiang university came up with a new strategy. by imitating the “core-shell” structure of polar bear fur, they prepared an ultra-warm artificial fiber encapsulated with aerogel. a related paper was published in…

